HW_Ch 38 ans key - 5) Gas gangrene; C.perfringens; surgical...

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Chapter 38: HW answer key MCQ: 1) D 2) A 3) D 4) C 5) D 6) A 7) B 8) D 9) D 10) A 11) C 12) C 13) B 14) D 15) B T/F: 1) F 2) T 3) F 4) T 5) F 6) F 7) T 8) F 9) T 10) T Case studies: 1) Meningitis by N.meningitidis, vaccination and antibiotics 2) Mantoux test, chest x-ray, isolation of bacteria or identification by acid-fast staining of clinical sample. Drug-resistance can develop in circumstances of non- compliance, suboptimal dosage, monotherapy or poor drug absorption. 3) Whooping cough; catarrhal, paroxysmal and convalescent stage; DPT vaccine 4) Lyme disease; features critical to diagnosis are bull’s eye rash, tender joints and exposure to wilderness and tick-bite
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Unformatted text preview: 5) Gas gangrene; C.perfringens; surgical debridement of the wound, antitoxin, antibiotics and hyperbaric oxygen 6) Infant botulism; the toxin inhibits release of acetyl choline which leads to failure of muscle contraction and flaccid paralysis 7) Pseudomembranous colitis by C.difficile; ampicillin, amoxicillin, cephalosporin, clindamycin; this organism is mainly kept in check by normal intestinal flora, in prolonged antibiotic use as normal flora is depleted this organism overgrow...
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HW_Ch 38 ans key - 5) Gas gangrene; C.perfringens; surgical...

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